Sodium thiocyanate
Also known as: Sodium sulfocyanate, Sodium rhodanate, Sodium rhodanide, NaSCN, Thiocyanic acid sodium salt
Sodium thiocyanate (CAS 540-72-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CNNaS and a molecular weight of 81.072 g/mol. Key properties include a melting point of 287 °C (dec.)(lit.), a boiling point of 146ºC at 760mmHg, a density of 1.295 g/mL at 20 °C and a flash point of 42.1ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 540-72-7
- Jingsj CID
- J-19011-4
- Molecular Formula
- CNNaS
- Molecular Weight
- 81.072 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 287 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 146ºC at 760mmHg |
| Density | 1.295 g/mL at 20 °C |
| Flash Point | 42.1ºC |
| Exact Mass | 80.964912 |
| PSA | 49.09000 |
| LogP | 0.66498 |
| Additional Property | 139 g/100 mL (21 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H319 — Causes serious eye irritation
- H412 — Harmful to aquatic life with long lasting effects
Activity & Biological Data
| Target | IL-6, IL-10, ROS[1] |
|---|---|
| Additional Information | [1]. Zietzer A, et al. Sodium thiocyanate treatment attenuates atherosclerotic plaque formation and improves endothelial regeneration in mice.PLoS One. 2019 Apr 2;14(4):e0214476. |
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sodium thiocyanate?
The CAS number of Sodium thiocyanate is 540-72-7.
What are the molecular formula and molecular weight of Sodium thiocyanate?
Sodium thiocyanate has molecular formula CNNaS and molecular weight 81.072 g/mol.
Is Sodium thiocyanate hazardous?
Sodium thiocyanate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Sodium thiocyanate?
For Sodium thiocyanate, Upstream Products: Carbon disulphide, Ammonia, sodium carbonate; Downstream Products: benzhydryl isothiocyanate, 2-Chloro-4-thiocyanatoaniline, hexyl isothiocyanate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium thiocyanate (CAS 540-72-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19011-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.